Slipper



FIG. 1 is a top plan view of a slipper showing my new design,

FIG. 2 is a bottom plan view thereof,

FIG. 3 is a front elevational view thereof,

FIG. 4 is a rear elevational view thereof,

FIG. 5 is a left side elevational view thereof, and

FIG. 6 is a right side elevational view thereof.

The broken line showing of lettering in FIGS. 1, 3, 5 and 6 is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a slipper, as shown and described. 